diff options
| -rw-r--r-- | gcc/ginclude/float.h | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/cr-decimal-dig-3.c | 14 |
2 files changed, 16 insertions, 1 deletions
diff --git a/gcc/ginclude/float.h b/gcc/ginclude/float.h index 83c5ad5..39139ee 100644 --- a/gcc/ginclude/float.h +++ b/gcc/ginclude/float.h @@ -285,7 +285,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #endif /* C2X */ -#ifdef __STDC_WANT_IEC_60559_BFP_EXT__ +#if (defined __STDC_WANT_IEC_60559_BFP_EXT__ \ + || defined __STDC_WANT_IEC_60559_EXT__) /* Number of decimal digits for which conversions between decimal character strings and binary formats, in both directions, are correctly rounded. */ diff --git a/gcc/testsuite/gcc.dg/cr-decimal-dig-3.c b/gcc/testsuite/gcc.dg/cr-decimal-dig-3.c new file mode 100644 index 0000000..8e07b67 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cr-decimal-dig-3.c @@ -0,0 +1,14 @@ +/* Test C2x CR_DECIMAL_DIG: defined for __STDC_WANT_IEC_60559_EXT__. */ +/* { dg-do compile } */ +/* { dg-options "-std=c2x" } */ + +#define __STDC_WANT_IEC_60559_EXT__ +#include <float.h> + +#ifndef CR_DECIMAL_DIG +#error "CR_DECIMAL_DIG not defined" +#endif + +#if CR_DECIMAL_DIG < DECIMAL_DIG + 3 +#error "CR_DECIMAL_DIG too small" +#endif |